US Patent 12064004 Plate, shoe sole, and shoe

A plate includes: a curved portion located in a forefoot region and shaped to curve toward a flat plane; a midfoot supporting portion located in a midfoot region; and a rear-foot supporting portion located in a rear foot region. The curved portion has a wide region including a wide portion of which dimension in a width direction is largest in the curved portion. The midfoot supporting portion has a narrow region including a narrow portion of which dimension in the width direction is smallest in the midfoot supporting portion. A ratio of a bending rigidity of the narrow region to a bending rigidity of the wide region is 0.4 or more and 0.85 or less.